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nats.zig/deps/nats.c/doc/html/group__micro_group.html
torque 41fbdf886b
git subrepo pull --branch=v3.7.0 deps/nats.c 
subrepo:
  subdir:   "deps/nats.c"
  merged:   "5d057f6"
upstream:
  origin:   "https://github.com/nats-io/nats.c.git"
  branch:   "v3.7.0"
  commit:   "5d057f6"
git-subrepo:
  version:  "0.4.6"
  commit:   "affc4c01a"
2023-10-14 13:22:13 -07:00

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&#160;<span id="projectnumber">3.7.0</span>
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<div id="projectbrief">The nats.io C Client, Supported by Synadia Communications Inc.</div>
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<div class="headertitle"><div class="title">EXPERIMENTAL - Microservices</div></div>
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Modules</h2></td></tr>
<tr class="memitem:group__micro_types" id="r_group__micro_types"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__micro_types.html">Types</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<dl class="section warning"><dt>Warning</dt><dd>EXPERIMENTAL FEATURE! We reserve the right to change the API without necessarily bumping the major version of the library.</dd></dl>
<h3><a class="anchor" id="autotoc_md0"></a>
NATS Microservices.</h3>
<p>Microservices can expose one or more request-response endpoints that process incoming NATS messages.</p>
<p>Microservices are created by calling micro_AddService, and configured by passing a microServiceConfig to it. Many microservices can share a single connection to a NATS server.</p>
<p>Once created, a microservice will subscribe to all endpoints' subjects and associate them with the configured handlers. It will also subscribe to and service monitoring subjects for service-specific pings, metadata, and statistics requests. The endpoint subscriptions are created with a queue group, so that incoming requests are automatically load-balanced across all running instances of a microservice. The monitoring subscriptions are not groupped, each service instance receives and responds to all monitoring requests.</p>
<p>Once created, the microservice is asyncronous, message handlers and other callbacks will be invoked in separate threads. No further action is needed. Your program can use microService_Stop, microService_IsStopped to control the execution of the service. </p>
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